package com.gzdh.device.comm.util;

import org.apache.commons.codec.digest.DigestUtils;
import org.apache.http.HttpEntity;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;

public class McardHttpClientUtils {
    private static String appkey = "c859715b5a314b9f9d1873b8c75bd87b";
    private static String secret = "c65d275ae55a5ec26dda81aab7c63b24";

    public static String doGet(String url, Map<String, String> reqMap) {
        String dateStr = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date());
        System.out.println(dateStr);
        String token = dateStr + String.valueOf(SnowFlake.nextId());
        String sign = getSign(token);
        url += "?appkey=" + appkey + "&token=" + token + "&sign=" + sign;

        for (Map.Entry<String, String> entry : reqMap.entrySet()) {
            System.out.println(entry.getKey());
            System.out.println(entry.getValue());
            url += "&" + entry.getKey() + "=" + entry.getValue();
        }
        System.out.println(url);


        return doGet(url);
    }

    public static String getSign(String token) {
        return DigestUtils.md5Hex(appkey + secret + token);
    }


    public static String doGet(String url) {
        CloseableHttpClient httpClient = null;
        CloseableHttpResponse response = null;
        String result = "";
        try {
            // 通过址默认配置创建一个httpClient实例
            httpClient = HttpClients.createDefault();
            // 创建httpGet远程连接实例
            HttpGet httpGet = new HttpGet(url);

            // 设置配置请求参数
            RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(35000)// 连接主机服务超时时间
                    .setConnectionRequestTimeout(35000)// 请求超时时间
                    .setSocketTimeout(60000)// 数据读取超时时间
                    .build();
            // 为httpGet实例设置配置
            httpGet.setConfig(requestConfig);
            // 执行get请求得到返回对象
            response = httpClient.execute(httpGet);
            // 通过返回对象获取返回数据
            HttpEntity entity = response.getEntity();
            // 通过EntityUtils中的toString方法将结果转换为字符串
            result = EntityUtils.toString(entity);
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            // 关闭资源
            if (null != response) {
                try {
                    response.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (null != httpClient) {
                try {
                    httpClient.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return result;
    }

}
